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    <span class="person orcid-person"><a class="citation_browse_link" href="/view/creators/14f6e63c275929bfdb4bc051f40dbec6.html">Forbes, H</a><a class="orcid" target="_blank" aria-describedby="tooltip-orcid--0000-0001-6888-2212" href="https://orcid.org/0000-0001-6888-2212"><img src="/images/orcid_id.svg" class="orcid-icon" alt="ORCID logo"/></a></span> and <span class="person orcid-person"><a href="/view/creators/5477a2aff1d3d746d5ba0f887be9640b.html" class="citation_browse_link">Langan, S</a><a target="_blank" class="orcid" href="https://orcid.org/0000-0002-7022-7441" aria-describedby="tooltip-orcid--0000-0002-7022-7441"><img class="orcid-icon" src="/images/orcid_id.svg" alt="ORCID logo"/></a></span>  
  

(2022).

<a href="https://datacompass.lshtm.ac.uk/cgi/users/home?screen=EPrint::View&amp;eprintid=2715"><xhtml:em xmlns:xhtml="http://www.w3.org/1999/xhtml">Clinical codelist - CPRD Gold - asthma.</xhtml:em></a>

[Dataset].


London School of Hygiene &amp; Tropical Medicine, London, United Kingdom.


    <a href="https://doi.org/10.17037/DATA.00002715" target="_blank">10.17037/DATA.00002715</a>.